Epson Stylus Office B42WD A4 colour wireless duplex printer Print Speed (A4): 38ppm (Colour / Mono), Photo (100x150mm): 21ppm Print Resolution: 5760x1440 dpi Paper sizes: A4, Letter, Legal, 20x25cm, 13x20cm, 13x18cm, 10x15cm, 9x13cm, A5, A6, B5, 16:9 wide size, Envelopes: No.10, DL, C6 Operating System Required: Windows 2000/XP/XP-x64/Vista, Mac OS 10.4.11 or later Wireless LAN IEEE 802.11 b/g/n Wired LAN IEEE 802.3 (100BASE-TX, 10BASE-T) WxDxH: 445x330x154 mm Weight: 4.5kg Built-in Ethernet and Wi-Fi Auto Duplex Print - prints both sides Low cost per page comparable to a laser printer Individual inks mean you only replace the colour you use Warranty: 1 year manufacturer's warranty